CN101511404A - Blood processing device and method for purging a set of blood lines on a blood processing device - Google Patents
Blood processing device and method for purging a set of blood lines on a blood processing device Download PDFInfo
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- CN101511404A CN101511404A CNA2007800328654A CN200780032865A CN101511404A CN 101511404 A CN101511404 A CN 101511404A CN A2007800328654 A CNA2007800328654 A CN A2007800328654A CN 200780032865 A CN200780032865 A CN 200780032865A CN 101511404 A CN101511404 A CN 101511404A
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- blood
- succedaneum
- flexible pipe
- pump
- pipeline
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3643—Priming, rinsing before or after use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3643—Priming, rinsing before or after use
- A61M1/3644—Mode of operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3643—Priming, rinsing before or after use
- A61M1/3644—Mode of operation
- A61M1/3646—Expelling the residual body fluid after use, e.g. back to the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3643—Priming, rinsing before or after use
- A61M1/3644—Mode of operation
- A61M1/365—Mode of operation through membranes, e.g. by inverted trans-membrane pressure [TMP]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3643—Priming, rinsing before or after use
- A61M1/3644—Mode of operation
- A61M1/3652—Mode of operation using gas, e.g. air
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Abstract
The invention relates to a method for purging a set of blood lines on a blood processing device with an extracorporeal blood circuit, comprising a membrane filter (10), with a first chamber (20) and a second chamber (30) separated from the first by a membrane, wherein, in order to purge the blood line set, the arterial (60) and the venal (70) blood line are connected to each other such as to create a circuit comprising the membrane filter, the arterial and the venal blood line. Furthermore, the substitute line (40) is disconnected from the substitute source and the substitute pump (50) is used to pump air or gas into the blood line set such as to give an over-pressure in the blood line set by means of which the liquid is forced over the membrane of the membrane filter into the second chamber of the membrane filter. The invention further relates to blood processing device.
Description
The present invention relates to a kind of method that is used for the blood hose set (Blutschlauchsatz) of emptying blood processor, this blood processor is used for extracorporeal treatment blood and has film filter, it is the hematology lab and second Room that separates by the film and first Room that described film filter comprises first Room, wherein cross described first Room in the blood flow in service of blood processor, and cross described second Room at the filtrate flow in service of blood processor, wherein said blood hose set comprises arterial blood flexible pipe and venous blood flexible pipe, these two kinds of blood flexible pipes all are communicated with first Room of film filter, and it is sent to blood film filter and is sent to the patient from film filter from the patient the in service of blood processor, described blood processor also has the succedaneum pipeline (Substituatleitung) that leads to described arterial blood flexible pipe and/or venous blood flexible pipe, with have the succedaneum pump (Substituatpumpe) that is connected with the succedaneum pipeline so that transport succedaneum from the succedaneum source by this succedaneum pipeline.Described film filter can be for example hemodiafilter or blood filter.
The diverse ways that is used for emptying blood hose set is that prior art is known.Known from EP1161271 A1, be positioned at the dialysis liquid pump of dialysis fluid side (Dialysatseite) for the purpose operation of the described blood hose set of emptying, make on the film of dialyser and to produce pressure and fall, utilize liquid that described pressure general who has surrendered is positioned at described blood hose set to be transported to described dialysis fluid side, promptly be transported to second Room and utilize discharge pipe from wherein deriving via the film of dialyser.The succedaneum bag is connected with described blood hose set, and it can be because the described blood hose set of emptying or wherein extremely low pressure and flat contracting.In case the pressure in the described blood hose set is lower than specific ultimate value, valve will be opened, and air is inhaled in the blood treatment hose set via this valve, and pressure and atmospheric pressure in the blood hose set are suitable.
During film emptying blood hose set, move blood pump, until from the blood hose set, removing liquid via dialyser.
Known from EP 0 830 153 A1, before separating corresponding hose line, utilize air that liquid is extruded from the blood hose set and from the dialysis solution circulation from dialyser.
At last, DE 34 42 744 A1 disclose a kind of method, wherein utilize pipeloop and air source in the blood hose set that the liquid in the blood hose set is extruded.The theme of this patent application is leak detection or the pressure test that can carry out about dialyser.
The objective of the invention is to, return the patient or after blood treatment finishes, from the blood hose set, remove the mixture of wherein residual blood and displacer (Verdraengungsmittel) or succedaneum with simple and effective way at blood.
The method of the feature of this purpose by having claim 1 realizes.Therefore, purpose for the described blood hose set of emptying, arterial blood flexible pipe and venous blood flexible pipe is interconnection, comprise the circulation of hematology lab, arterial blood flexible pipe and venous blood flexible pipe with formation, described succedaneum pipeline and succedaneum source are disconnected, and utilize the succedaneum pump to pump air into described blood hose set, thereby in this blood hose set, produce superpressure, liquid is expressed into second Room of film filter from the hematology lab via film by this superpressure.
Therefore, theme of the present invention is, use the original succedaneum pump that exists to deliver air to and be used for this blood hose set of emptying in the described blood hose set, mixture with blood and succedaneum or displacer is expressed into second Room of film filter from the hematology lab via film thus, and derives from described second Room via discharge pipe.By this way, can use extremely low comparatively speaking expense drain from described blood hose set effectively.
Carry out the participation that the method according to this invention does not need the patient, promptly after the treatment that finishes the patient, break away from the patient and carry out.
In case stop according to purging method of the present invention, just can abandon described blood hose set, it typically is disposable product (after using is discardable).Because the refuse amount is extremely low, therefore can reduce the cost of waste disposal by the described blood hose set of emptying.And be emptied completely described blood hose set for hygienic reason more important than waste disposal.
For implementing the method according to this invention, described blood processor has control device.It can be the controller except the original controller that exists of blood processor.It is also contemplated that, described control is to realize at any existing control device that is used for moving described blood processor, this controller preferred development in this case, make it carry out, and/or make air can automatically enter the succedaneum pipeline of blood hose set succedaneum pump and/or pressure transducer and/or the control of possible valve in arterial blood flexible pipe or venous blood flexible pipe or branch.These expansions are for example to realize by changing software.
The disconnection that should be noted that succedaneum pipeline and succedaneum source is in this preferably manually carried out by the treatment personnel.Yet, it is also conceivable that realization carries out for the automatization of the opening of surrounding air and via control device.Within the scope of the invention, term " disconnection " not only is interpreted as the separation of entity, and promptly succedaneum source and succedaneum pipeline are thrown off, but also for example is interpreted as closing of pipeline between the succedaneum pump and succedaneum source.
In another embodiment of the present invention, surrounding air is supplied with the succedaneum pump, by this succedaneum pump surrounding air is transported in the blood hose set then.
Described succedaneum pipeline can be designed to dilute in advance pipeline and/or back dilution pipeline.Utilize the pipeline of the type during the described blood processor in operation, dilute blood before entering the hematology lab (pre-dilution) or flow out back dilute blood (back dilution) from the blood chamber.It is also contemplated that the integrated processes of pre-dilution and back dilution.
In this embodiment of the present invention, described succedaneum pipeline can be branched off into pre-dilution pipeline and back dilution pipeline, and the one end leads to the arterial blood flexible pipe before the film filter, and the other end leads to film filter venous blood flexible pipe afterwards.
Preferably, when the described blood hose set of emptying, close one of described two pipelines (diluting pipeline, back dilution pipeline in advance), so that the air that compresses only is transported in the blood hose set via in these pipelines another in the succedaneum pump.
For example it is contemplated that, dilute pipeline in advance and all have cut-off valve, utilize this cut-off valve can close pipeline with back dilution pipeline.For example it is contemplated that, close the valve of pre-dilution pipeline, therefore, the air that contracts by the succedaneum pump pressure only is transported in the blood hose set via back dilution pipeline.
In another embodiment of the present invention, arrange blood pump, make itself and a kind of blood flexible pipe, preferably hose connection with arterial blood, so that come pumping blood by the blood hose set in that blood processor is in service, wherein said blood pump during the emptying blood hose set at least between or the ground operation.Therefore, described blood pump can participate in the emptying of described blood hose set in the mode of assisting.
In another embodiment of the present invention, the air that utilizes the succedaneum pump to carry is transported in arterial blood flexible pipe or the venous blood flexible pipe via pre-dilution pipeline or back dilution pipeline, and distribute so therein, make air or entered the hematology lab via arterial blood flexible pipe and venous blood flexible pipe by the liquid that air is extruded.For example, can be with air via afterwards diluting pipeline introducing venous blood flexible pipe and in the venous blood flexible pipe, distributing.Portion of air enters the hematology lab against the flow direction in described blood processor routine in service from a side, and another part air enters hematology lab by the arterial blood flexible pipe from opposite side via the short circuit (Kurzschluss) between arterial blood flexible pipe and the venous blood flexible pipe.By this way, can be emptied completely the blood hose set with simple relatively method.
According to another embodiment of the present invention, described succedaneum pump is being closed behind the preset time interval once more from connecting constantly.Therefore, official hour at interval after, can stop described succedaneum pump, and described blood hose set is considered to be empty.
It is contemplated that equally provides pressure transducer, arrange that described pressure transducer makes the pressure in its measurement arterial blood flexible pipe and/or the venous blood flexible pipe, and provide the control device that connects pressure transducer, in case pressure value of overstepping the extreme limit of utilizing pressure transducer to detect, described control device promptly cuts out the succedaneum pump.Compare with air, liquid is the easier wet film that sees through on substantially, therefore, can measure significant pressure at the time point that is emptied completely and raise, and this is used for closing the succedaneum pump in this embodiment of the present invention, and is empty because the blood hose set is accredited as.
In another embodiment of the present invention, can from arterial blood flexible pipe and/or venous blood flexible pipe, branch out line sections, this line sections and arterial blood flexible pipe or venous blood flexible pipe or other line sections that is provided with on it are connected to form circulation.At this further, close arterial blood flexible pipe and/or venous blood flexible pipe, from arterial blood flexible pipe or venous blood flexible pipe, flow out to prevent liquid in the branch point downstream of described branched pipe line segment.
The invention still further relates to a kind of blood processor with extracorporeal circulation of blood, described device is suitable for admitting blood hose set and film filter, second Room that described film filter has first Room and separates by the film and first Room, cross described first Room in the blood flow in service of blood processor, and cross described second Room at the filtrate flow in service of blood processor.Described blood processor is characterised in that, the control unit that it has the succedaneum pump and controls this succedaneum pump for emptying blood hose set purpose, to utilize described succedaneum pump that air or gas are pumped in the blood hose set, thereby in the blood hose set, produce superpressure, liquid is expressed into second Room via the film of film filter from first Room by this superpressure.
In a preferred embodiment of the invention, described succedaneum pump is designed to disconnect the back draws ambient air with the succedaneum pipeline, and described surrounding air is transported in the blood hose set.
In another embodiment of the present invention, be provided with blood pump, it is used for the described blood hose set of emptying by control unit control, make described blood pump during the described blood hose set of emptying permanent or the ground operation.
In another embodiment of the present invention, described control unit is designed to once more it be closed behind the moment preset time interval of connecting the succedaneum pump.Therefore, described control unit can stop the succedaneum pump after through the official hour interval, and it is empty looking the blood hose set afterwards.
In another embodiment of the present invention, provide to connect the pressure transducer of control unit, and arranged that described pressure transducer makes the pressure in its measurement arterial blood flexible pipe and/or the venous blood flexible pipe.In case pressure value of overstepping the extreme limit of utilizing this pressure transducer to detect, control device just cuts out the succedaneum pump.
Set forth more details of the present invention and advantage in more detail with reference to the embodiment that shows in the accompanying drawings.It is the blood processing sketch map of example that unique accompanying drawing shows with the hemodiafiltration method.
Described blood processor has filtrate side and extracorporeal circulation of blood.Described extracorporeal circulation of blood comprises the blood hose set and first Room 20 of the film filter 10 that separates by the semipermeable membrane and second Room 30.In service at this device will be introduced first Room 20 via the blood samples of patients that arterial blood flexible pipe 60 extracts, and return the patient once more via venous blood flexible pipe 70 and position drip chamber 72 thereon.The transmission of blood in extracorporeal circulation is to carry out via the blood pump 80 that is arranged in the arterial blood flexible pipe 60.Dotted line among the figure shows the disposable part that is designed to of described device.
As further appreciable from figure, the succedaneum pump 50 that provides is arranged in succedaneum pipeline 40.The succedaneum pipeline has interface, and succedaneum pipeline 40 is connected with the succedaneum source by described interface.Succedaneum is onlinely in blood processor to provide and provide at succedaneum port 41 in the present embodiment.Also it is contemplated that in principle, the succedaneum that is independent of blood treatment machine source is provided.
Be in operation, succedaneum pump 50 is by succedaneum pipeline 40 conveyor belt articles for use.Described succedaneum pipeline 40 leads to the blood hose set via pre-dilution pipeline 42 and back dilution pipeline 44.In more detail, dilute pipeline 42 in advance and lead to arterial blood flexible pipe 60, back dilution pipeline 44 leads to venous blood flexible pipe 70.As can be seen from FIG., dilute pipeline 42 in advance and lead to line sections between first Room of blood pump 80 and film filter 10.Back dilution pipeline 44 leads to the line sections between film filter 10 and the intravenous drip chamber 72.
For emptying comprises the purpose of the blood hose set of flexible pipe 60 and 70, preferably manually the connectivity port 41 of succedaneum pipeline 40 with the succedaneum source separated by the treatment personnel at this.In addition, equally preferably manually will pass through adapter 111,112 and venous blood flexible pipe 70 short circuits, thereby constitute the circulation of first Room 20 that comprises arterial blood flexible pipe 60, venous blood flexible pipe 70, intravenous drip chamber 72 and film filter 10 from arterial blood flexible pipe 60 ramose line sections 110 by the treatment personnel.The section that does not belong to this circulation and be positioned at the arterial blood flexible pipe 60 below take-off line 110 branch points is closed by closing element 140.
Now, corresponding with the disconnection in succedaneum pipeline and succedaneum source, succedaneum pump 50 delivers air in the succedaneum pipeline 40, shown in arrow and labelling " m+n ".In the meantime, close pre-dilution pipeline 42 by suitable valve.Therefore, whole air flows of carrying by succedaneum pump 50 are transported to venous blood flexible pipe 70 via back dilution pipeline 44.They are divided into shunting " n " and " m " at this, wherein the shunting " n " and/or by its liquid of extruding against the flow direction, with reference to the accompanying drawings from top first Room 20 that enters film filter 10 via discharge pipe in blood processor run duration routine.The air that imports by another part of " m " labelling and/or imported via intravenous drip chamber 72 in the drawings by its liquid of extruding, enter arterial blood flexible pipe 60 via adapter 111,112 and line sections 110, and enter first Room 20 of film filter 10 via the inflow port of arterial blood flexible pipe 60 through first Room.
Therefore, air/liquid and pressure have all been supplied with in 20 both sides, first Room of film filter 10, make the liquid be arranged in described blood hose set or liquid/air mixture transfer to second Room 30 of film filter 10 from first Room 20, utilize pipeline 120 to discharge then via semipermeable membrane.
During this evacuation procedure, can be permanently or at least or ground start be arranged in arterial blood flexible pipe 60 blood pump 80 to assist evacuation procedure.Be arranged in the downstream of arterial blood flexible pipe 60 blood pumps 80, pressure transducer 100 is measured the pressure of arterial blood flexible pipe 60 in evacuation procedure.If the force value of measuring is lower than ultimate value, determines that then the blood hose set has been drained, and close pump 50,80.
Alternatively, can from begin this process preset time at interval after, finish this evacuation procedure.
The method according to this invention provides a kind of method of the blood of emptying simply and effectively hose set, has reduced the refuse amount by this method, has improved sanitary condition.The preferred operation automatically of the method according to this invention promptly except the short circuit (it preferably manually carries out) of the disconnection of succedaneum pipeline and succedaneum connectivity port and adapter 111,112, does not preferably need the user intervention.
Claims (14)
1. one kind is used for the method for blood hose set that emptying has the blood processor of extracorporeal circulation of blood, described extracorporeal circulation of blood has the film filter (10) of second Room (30) that comprises first Room (20) and separate by the film and first Room, wherein cross described first Room (20) in the blood flow in service of blood processor, and cross described second Room (30) at the filtrate flow in service of blood processor, wherein said blood hose set comprises arterial blood flexible pipe (60) and venous blood flexible pipe (70), these two kinds of blood flexible pipes all are communicated with first Room (20) of film filter (10), and these two kinds of flexible pipes are sent to blood film filter (10) and are sent to the patient from film filter (10) from the patient the in service of blood processor, described blood processor also has succedaneum pipeline (40) and succedaneum pump (50), described succedaneum pipeline (40) leads to arterial blood flexible pipe (60) and/or venous blood flexible pipe (70), described succedaneum pump (50) is connected with described succedaneum pipeline (40), so that transport succedaneum from the succedaneum source by this succedaneum pipeline (40), described method is characterised in that, purpose for the described blood hose set of emptying, described arterial blood flexible pipe (60) and venous blood flexible pipe (70) are interconnection, comprise film filter (10) with formation, the circulation of arterial blood flexible pipe (60) and venous blood flexible pipe (70), make described succedaneum pipeline (40) and succedaneum source disconnect, and utilize succedaneum pump (50) that air or gas are pumped in the described blood hose set, thereby in this blood hose set, produce superpressure, the film of liquid via described film filter (10) is expressed in second Room (30) of described film filter (10) by this superpressure.
2. according to the method for claim 1, it is characterized in that surrounding air is supplied with described succedaneum pump (50), and described surrounding air is transported in the described blood hose set through described succedaneum pump (50).
3. according to the method for claim 1 or 2, it is characterized in that described succedaneum pipeline (40) is designed to dilute in advance pipeline (42) and/or back dilution pipeline (44).
4. according to each method in the aforementioned claim, it is characterized in that, described succedaneum pipeline (40) is branched off into pre-dilution pipeline (42) and back dilution pipeline (44), and when the described blood hose set of emptying, close described pre-dilution pipeline (42) or described back dilution pipeline (44), make the air of compression in described succedaneum pump (50) only deliver into described blood hose set via described pre-dilution pipeline (42) or described back dilution pipeline (44).
5. according to each method in the aforementioned claim, it is characterized in that, blood pump (80) is set, it is linked to each other with a kind of flexible pipe in the blood flexible pipe, preferably be connected with arterial blood flexible pipe (60), so that come pumping blood by described blood hose set in that described blood processor is in service, and described blood pump (80) is in permanent during the described blood hose set of emptying or ground in service.
6. according to each method in the aforementioned claim, it is characterized in that, the air that utilizes described succedaneum pump (50) to carry is transported in described arterial blood flexible pipe (60) or the described venous blood flexible pipe (70) via described pre-dilution pipeline (42) or described back dilution pipeline (44), and in described arterial blood flexible pipe (60) or described venous blood flexible pipe (70), distribute, make air or the liquid extruded by air both enter first Room (20) that described film is crossed filter (10) via described arterial blood flexible pipe (60) and described venous blood flexible pipe (70).
7. according to each method in the aforementioned claim, it is characterized in that described succedaneum pump (50) is being closed behind the preset time interval once more from connecting constantly.
8. according to each method in the claim 1～6, it is characterized in that, pressure transducer (100) is provided, arrange that described pressure transducer (100) makes it measure pressure in described arterial blood flexible pipe (60) and/or the described venous blood flexible pipe (70), and provide the control device that connects described pressure transducer (100), in case pressure value of overstepping the extreme limit of utilizing described pressure transducer (100) to detect, described control device promptly cuts out described succedaneum pump (50).
9. according to each method in the aforementioned claim, it is characterized in that, from described arterial blood flexible pipe (60) and/or described venous blood flexible pipe (70), branch out line sections (110), described line sections (110) connects described arterial blood flexible pipe (60) or described venous blood flexible pipe (70) or line sections disposed thereon, and closes described arterial blood flexible pipe (60) and/or described venous blood flexible pipe (70) in the branch point downstream of ramose line sections (110).
10. blood processor with extracorporeal circulation of blood, described blood processor is suitable for admitting blood hose set and film filter, second Room (30) that described film filter has first Room (20) and separates by the film and first Room, wherein cross described first Room in the blood flow in service of blood processor, and cross described second Room (30) at the filtrate flow in service of blood processor, described device is characterised in that, described blood processor has succedaneum pump (50) and controls the control unit of succedaneum pump (50) for emptying blood hose set purpose, to utilize described succedaneum pump (50) that air or gas are pumped in the described blood hose set, thereby in this blood hose set, produce superpressure, liquid is expressed into second Room (30) of film filter (10) via the film of film filter (10) first Room (20) from film filter (10) by this superpressure.
11. blood processor according to claim 10, it is characterized in that, described succedaneum pump (50) is designed to make it after described succedaneum pipeline (40) and succedaneum source disconnect, and via succedaneum pipeline (40) draws ambient air, and is transported in the described blood hose set.
12. device according to claim 10 or 11, it is characterized in that, be provided with blood pump (80), and described control unit is designed to be the described blood hose set of emptying and controls described blood pump (80), make described blood pump (80) during the described blood hose set of emptying, be in permanent or ground in service.
13., it is characterized in that described control unit is designed to make it closing described succedaneum pump (50) from connecting constantly once more behind preset time interval according to each blood processor in the claim 10～12.
14. according to each blood processor in the claim 10～13, it is characterized in that, be provided with the pressure transducer (100) that connects described control unit, and arrange that described pressure transducer (100) makes the pressure in its measurement arterial blood flexible pipe (60) and/or the venous blood flexible pipe (70), in case and described control unit pressure value of overstepping the extreme limit of being designed to utilize pressure transducer (100) to detect, promptly close described succedaneum pump (50).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006042120.5 | 2006-09-07 | ||
| DE102006042120A DE102006042120B3 (en) | 2006-09-07 | 2006-09-07 | Blood treatment device and method for draining a blood tubing set of a blood treatment device |
| PCT/EP2007/007505 WO2008028579A1 (en) | 2006-09-07 | 2007-08-27 | Blood processing device and method for purging a set of blood lines on a blood processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101511404A true CN101511404A (en) | 2009-08-19 |
| CN101511404B CN101511404B (en) | 2011-11-09 |
Family
ID=38829253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800328654A Active CN101511404B (en) | 2006-09-07 | 2007-08-27 | Blood processing device and method for purging a set of blood lines on a blood processing device |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8409127B2 (en) |
| EP (1) | EP2059279B1 (en) |
| JP (1) | JP5441699B2 (en) |
| CN (1) | CN101511404B (en) |
| AT (1) | ATE457758T1 (en) |
| DE (2) | DE102006042120B3 (en) |
| ES (1) | ES2339611T3 (en) |
| PL (1) | PL2059279T3 (en) |
| WO (1) | WO2008028579A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762237A (en) * | 2010-02-10 | 2012-10-31 | 日机装株式会社 | Blood purification device |
| CN103002933A (en) * | 2010-07-23 | 2013-03-27 | 弗雷塞尼斯医疗保健德国有限责任公司 | Rinse conduit, medico-technical functional device, medico-technical treatment device and method |
| CN103260695A (en) * | 2010-07-23 | 2013-08-21 | 弗雷塞尼斯医疗保健德国有限责任公司 | Connector, medical treatment device, medical functional device and method |
| CN103702695A (en) * | 2011-07-29 | 2014-04-02 | 弗雷塞尼斯医疗保健德国有限责任公司 | Method for withdrawing blood from an extracorporeal circulation, and devices |
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| DE10245619B4 (en) | 2002-09-11 | 2004-08-26 | Fresenius Medical Care Deutschland Gmbh | Method for returning blood from a blood treatment device and device for carrying out the method |
| AU2003254565A1 (en) * | 2002-09-11 | 2004-05-04 | Fresenius Medical Care Deutschland Gmbh | Method for returning blood from a blood treatment device, and device for carrying out this method |
| DE102006012087B4 (en) * | 2006-03-14 | 2008-10-02 | Fresenius Medical Care Deutschland Gmbh | Method for at least partially emptying an extracorporeal blood circulation and hemodialysis machine for use of the method |
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2006
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- 2007-08-27 JP JP2009527034A patent/JP5441699B2/en active Active
- 2007-08-27 WO PCT/EP2007/007505 patent/WO2008028579A1/en active Application Filing
- 2007-08-27 CN CN2007800328654A patent/CN101511404B/en active Active
- 2007-08-27 DE DE502007002879T patent/DE502007002879D1/en active Active
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| CN111278484B (en) * | 2017-10-27 | 2023-10-03 | 甘布罗伦迪亚股份公司 | Dialysis machine and method |
| US11896752B2 (en) | 2017-10-27 | 2024-02-13 | Gambro Lundia Ab | Dialysis machine and method |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2339611T3 (en) | 2010-05-21 |
| CN101511404B (en) | 2011-11-09 |
| JP5441699B2 (en) | 2014-03-12 |
| US8409127B2 (en) | 2013-04-02 |
| ATE457758T1 (en) | 2010-03-15 |
| JP2010502321A (en) | 2010-01-28 |
| WO2008028579A1 (en) | 2008-03-13 |
| EP2059279A1 (en) | 2009-05-20 |
| DE102006042120B3 (en) | 2008-04-03 |
| PL2059279T3 (en) | 2010-07-30 |
| EP2059279B1 (en) | 2010-02-17 |
| US20100087772A1 (en) | 2010-04-08 |
| DE502007002879D1 (en) | 2010-04-01 |
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